Technical Instructions Document No. 155-176P25 EA GBB/GIB-1 December 15, 2004
OpenAir™ GBB/GIB Series Electronic Damper Actuators NSR Rotary, 24 Vac - Modulating Control
Description
The OpenAir direct coupled 24 Vac non-spring return (NSR) rotary electric actuator is designed for modulating control of building HVAC dampers.
Features
•
Built-in feedback on modulating units
•
Unique self-centering shaft coupling
•
All metal housing
•
Two torque ranges available
•
Manual override
•
Offset and span adjustment models available
•
Independently adjustable dual auxiliary switches available
•
UL, cUL and CE listed
Product Numbers
Table 1.
24 Vac Operating Voltage
Torque 221 lb-in (25 Nm) 310 lb-in (35 Nm)
Application
Input Signal
Cabling
Standard
Span/Offset Adjustable
Dual Auxiliary Switches and Span/Offset
Adjustable
Dual Auxiliary Switches only
0 to 10 Vdc
Standard GBB161.1U Plenum Cable GBB161.1P
GBB163.1U GBB163.1P
GBB164.1U GBB164.1P
GBB166.1U GBB166.1P
0 to 10 Vdc
Standard Plenum Cable
GIB163.1U GIB163.1P
GIB164.1U GIB164.1P
GIB166.1U GIB166.1P
GIB161.1U GIB161.1P
These actuators are used in constant or variable air volume installations for the control of supply return air, mixed air, exhaust, rooftop units, and face and bypass dampers requiring up to 221 lb-in (25 Nm) torque or 310 lb-in (35 Nm) torque.
Siemens Building Technologies, Inc.
Technical Instructions Document Number 155-176P25 December 15, 2004
GBB/GIB Series NSR Rotary 24 Vac - Modulating Control
Warning/Caution Notations WARNING:
Personal injury/loss of life may occur if you do perform a as specified.
CAUTION:
Specifications Power supply
Control Signal
Feedback Signal
Equipment Rating
Auxiliary Features
Equipment damage or loss of data may occur if you do not follow a procedure as specified.
Operating voltage (G–G0) Frequency Power consumption Running… Holding…
24 Vac ±20% 50/60 Hz 8 VA, 8W 1.1W
For one tandem application 12 VA of two actuators Input signal (Y–G0) voltage-input 0 to 10 Vdc Input resistance >100K ohms Position output signal (U–G0) Voltage-output 0 to 10 Vdc Maximum output current DC 1 mA Operating voltage, input signal and Class 2, in accordance with UL/CSA position output signal Plenum type actuators as a whole device Class 2 in accordance with UL/CSA Dual auxiliary switches AC rating (standard cable) AC rating (Plenum cable)
DC rating (Standard/Plenum cable)
24 to 250 Vac AC 6A resistive AC 2A general purpose 24 Vac AC 4A resistive AC 2A general purpose 12 to 30 Vdc DC 2A
Switch Range Switch A Recommended range usage Factory setting Switch B Recommended range usage Factory setting
0 to 90° with 5° intervals 0 to 45° 5° 0 to 90° with 5° intervals 45 to 90° 85°
Switching hysteresis
2°
WARNING: Apply only AC-line voltage from the same phase or only UL-Class 2 voltage (SELV for CE conformance) to the switching outputs of both auxiliary switches A and B. Mixed operation is not permissible. NOTE:
Page 2
With plenum cables, only UL-Class 2 voltage (SELV for CE is permissible).
Siemens Building Technologies, Inc.
GBB/GIB Series NSR Rotary 24 Vac - Modulating Control
Function
Torque GBB… GIB… Runtime for 90° opening or closing
Mounting
Nominal angle of rotation Maximum angular rotation Noise level Shaft size
Housing
Minimum shaft length Enclosure
Specifications, Continued
Ambient Conditions
Material Gear lubrication Ambient temperature Operation Storage and transport Ambient humidity (non-condensing)
Agency Approvals
Technical Instructions Document Number 155-176P25 December 15, 2004
221 lb-in (25 Nm) 310 lb-in (35 Nm) 125 seconds at 60 Hz 150 seconds at 50 Hz 90° 95°